This summer test-takers can get 50% off a second CLEP exam if they take an exam between January 1, 2019 and August 31, 2019. Posted Monday, June 3, 2019 @ 4:44 PM This summer test-takers can get 50% off a second CLEP exam if they take an exam between January 1, 2019 and August 31, 2019. To get the discount: Test-takers must first complete a CLEP exam prior to registering for their next exam. During registration, test-takers must enter the promo code CLEPFIFTY at checkout to receive 50% off one exam. Back